2001•Astronomy ReportsRequires access

Observations of five supernovae in 1995–1997

Dmitry Yu. Tsvetkov, Nickolay N. Pavlyuk, Elena P. Pavlenko

Abstract

We present the results of photometric observations of the type Ia supernovae SN 1995al, 1996bo, 1996bk, the type Ib/c supernova SN 1997X, and the type II supernova SN 1996an. The photometric characteristics of SN 1995al are close to the average for type Ia supernovae. Our analysis has revealed possible peculiarities in the light-curve shape and deviations from the average photometric parameters for SN 1996bk and 1996bo. Sn 1996an probably belongs to type IIP. The light curve of SN 1997X resembles that of the type Ic supernova SN 1994I. Light-curve parameters and absolute magnitude estimates are presented.

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Key concepts: Supernova, Light curve, Physics, Astrophysics, Type (biology), Pair-instability supernova, Photometry (optics), Astronomy